testSetProtoRegeneratesObjectShape.js (450B)
1 function testSetProtoRegeneratesObjectShape() 2 { 3 var f = function() {}; 4 var g = function() {}; 5 g.prototype.__proto__ = {}; 6 7 function iq(obj) 8 { 9 for (var i = 0; i < 10; ++i) 10 "" + obj.prototype; 11 } 12 13 iq(f); 14 iq(f); 15 iq(f); 16 iq(f); 17 iq(g); 18 19 if (shapeOf(f.prototype) === shapeOf(g.prototype)) 20 return "object shapes same after proto of one is changed"; 21 22 return true; 23 } 24 assertEq(testSetProtoRegeneratesObjectShape(), true);